Lithium-Ion Battery for Bike, Energy Density, Thermal Safety, and Performance

Bike Battery, Lithium Battery

Lithium-Ion Battery for Bike, Energy Density, Thermal Safety, and Performance

Bike batteries are getting smaller in size and extended in terms of capacity. Compared to an equivalent lead battery, a lithium-ion battery can store more charge for the same size as a lead-acid battery. Lithium-ion batteries have been increasingly used in bikes, cars, and E-bikes. Using a lithium battery is packaged with different advantages, starting from energy density to life span. However, before we proceed any further, let’s take a dig at what is a lithium battery. Lithium batteries use an additive-free electrolyte made with lithium components. The battery consists of a positive electrode made from lithium material and a negative electrode from carbon or graphite.

Lithium-ion batteries are available with various materials used to improve energy density. Several minerals such as cobalt, nickel, manganese, and iron are used in concurrence with lithium to make a positive electrode. If you’re looking for a lithium-ion battery for your bike, be aware of the battery type. Some lithium batteries can provide your bike with high energy density but may have a high thermal runaway.

Bike’s electrical network has its capacity limit. Installing high power accessories draw more current. Similarly, they require more charge which may increase battery temperature and pose potential safety hazards. Therefore, an ideal equivalent to a Lithium-Ion battery is a Lithium Iron battery. The material used for the positive electrode is lithium iron phosphate. The battery has low energy density compared to lithium-ion. However, the potential safety hazard of thermal over is completely eliminated.

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